chore(llc,core,ui): update pubspec and changelogs

packages/stream_chat/pubspec.yaml

@@ -1,7 +1,7 @@
 name: stream_chat
 homepage: https://getstream.io/
 description: The official Dart client for Stream Chat, a service for building chat applications.
-version: 3.5.0
+version: 3.5.1
 repository: https://github.com/GetStream/stream-chat-flutter
 issue_tracker: https://github.com/GetStream/stream-chat-flutter/issues
 
@@ -30,5 +30,5 @@ dev_dependencies:
   dart_code_metrics: ^4.4.0
   freezed: ^1.0.0
   json_serializable: ^6.0.1
-  mocktail: ^0.2.0
+  mocktail: ^0.3.0
   test: ^1.17.12